kayla9316 kayla9316

23-08-2019
Mathematics

contestada

If B is the midpoint of line AC, AC=CD, AB=3x+4, AC=11x-17, and CE=49, find DE

If B is the midpoint of line AC ACCD AB3x4 AC11x17 and CE49 find DE class=

Respuesta :

Cricetus Cricetus

25-08-2019

Answer:

DE=11 UNITS

Step-by-step explanation:

Given AC=CD

And AC=2AB as B is the mid point of AC

Hence 2(3x+4)=11x-17

6x+8=11x-17

11x-6x=17+8

5x=25

x=5

Hence AC=11(5)-17= 55-17=38

AC =CD = 38

CE = 49

Hence DE = CE-CD= 49-38 = 11

units

Ver imagen Cricetus

Answer Link

Otras preguntas

A car travelling at 45 mi/hr (20.1 m/s) comes to rest in 4 seconds. Find the acceleration of the car in m/s2.

choose the subject pronoun that the folowing word represents. Os A. nosotros

senators are elected six years and may be re-elected as often as the people wish to vote for them. true or false?

What was the reaction of other Native American groups to King Philip's war?

Estimate the product of 21 and 32

eating the leftovers of another hunter

12 out of 30 people chose their favourite colour as blue calculate the angle you would use for blue on a pie chart

if earth stops rotating then what will be the value of 'g' at poles

Round 7,298 to the nearest thousand.

Does 'Balance of Power' prevent war or promote war?What is your opinion?